Finding the Fourth Proportional to 73,172.98, 109,757 and 31,025.96

Step by Step Solution

1. Step 1: Write the proportion equation
   73,172.98 : 109,757 = 31,025.96 : x
2. Step 2: Convert to fraction form
   73,172.98/109,757 = 31,025.96/x
3. Step 3: Cross multiply
   73,172.98x = 109,757 × 31,025.96
4. Step 4: Simplify right side
   73,172.98x = 3,405,316,291.72
5. Step 5: Solve for x
   x = 3,405,316,291.72/73,172.98
6. Step 6: Final answer
   x = 46,537.89